Molpadiida Haeckel, 1896
Acaudina Clark, 1907
Caudina Stimpson, 1853
Ceraplectana Clark, 1907
Haplodactyla Grube, 1840
Hedingia Deichmann, 1938
Microdactyla Sluiter, 1880
Paracaudina Heding, 1931
Pedatopriscus Deflandre-Rigaud, 1963